1 #include <lib9.h>
2 #include "9proc.h"
3 
4 extern int __isthreaded;
5 int
6 ffork(int flags, void(*fn)(void*), void *arg)
7 {
8 	int pid;
9 	void *p;
10 
11 	_p9uproc(0);
12 	__isthreaded = 1;
13 	p = malloc(16384);
14 	if(p == nil)
15 		return -1;
16 	memset(p, 0xFE, 16384);
17 	pid = rfork_thread(RFPROC|flags, (char*)p+16000, (int(*)(void*))fn, arg);
18 	if(pid == 0)
19 		_p9uproc(0);
20 	return pid;
21 }
22 
23 /*
24  * For FreeBSD libc.
25  */
26 
27 typedef struct {
28 	volatile long	access_lock;
29 	volatile long	lock_owner;
30 	volatile char	*fname;
31 	volatile int	lineno;
32 } spinlock_t;
33 
34 void
35 _spinlock(spinlock_t *lk)
36 {
37 	lock((Lock*)&lk->access_lock);
38 }
39 
40 int
41 getfforkid(void)
42 {
43 	return getpid();
44 }
45